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Keyword: sensitivity

Assessing the climate change vulnerability of ecosystem types of the Southwestern U.S

Publications Posted on: October 05, 2018
Climate change is challenging scientists and decision-makers to understand the complexities of climate change and to predict the related effects at scales relevant to environmental policy and the management of ecosystem services. Extraordinary change in climate, and the ensuing impacts to ecosystem services, are widely anticipated for the southwestern United States.

Assessment of aspen ecosystem vulnerability to climate change for the Uinta-Wasatch-Cache and Ashley National Forests, Utah

Publications Posted on: August 23, 2017
Aspen ecosystems are valued because they add biodiversity and ecological value to the landscape. They provide rich and productive habitats and increase aesthetic value. Climate change poses the risk of altering and disrupting these ecosystems, and it may worsen the effects of non-climate stressors.

Assessment of watershed vulnerability to climate change for the Uinta-Wasatch-Cache and Ashley National Forests, Utah

Publications Posted on: June 21, 2017
Watersheds on the Uinta-Wasatch-Cache and Ashley National Forests provide many ecosystem services, and climate change poses a risk to these services. We developed a watershed vulnerability assessment to provide scientific information for land managers facing the challenge of managing these watersheds. Literature-based information and expert elicitation is used to define components of watershed sensitivity and exposure to climate change.

Biogeochemical fluxes in the Glacier Lakes catchments

Publications Posted on: May 28, 2015
These lakes are moderately sensitive to acid deposition; acidification would require precipitation at least as acidic as that presently found in the more heavily impacted areas of eastern North America. Because most snowpack contaminants are released early in the melting process, seasonal acidification pulses would probably occur at much lower levels of acidic inputs.

Differential sensitivity of stream temperatures to climate variability

Documents and Media Posted on: December 03, 2014
Estimating the thermal response of streams to a warming climate is important for prioritizing fish conservation efforts. While many estimates of air temperature responses to climate change exist, the sensitivity of streams to warming temperatures is less well understood.Document Type: Briefing Papers

Structural organization of process zones in upland watersheds of central Nevada and its influence on basin connectivity, dynamics, and wet meadow complexes

Publications Posted on: September 05, 2012
The drainage network within upland watersheds in central Nevada can be subdivided into distinct zones each dominated by a unique set of processes on the basis of valley form, the geological materials that comprise the valley floor, and the presence or absence of surficial channels.

Demographic projection of high-elevation white pines infected with white pine blister rust: a nonlinear disease model

Publications Posted on: April 04, 2012
Matrix population models have long been used to examine and predict the fate of threatened populations. However, the majority of these efforts concentrate on long-term equilibrium dynamics of linear systems and their underlying assumptions and, therefore, omit the analysis of transience. Since management decisions are typically concerned with the short term (

A comparison of the performance of threshold criteria for binary classification in terms of predicted prevalence and Kappa

Publications Posted on: August 20, 2008
Modelling techniques used in binary classification problems often result in a predicted probability surface, which is then translated into a presence - absence classification map. However, this translation requires a (possibly subjective) choice of threshold above which the variable of interest is predicted to be present.

PresenceAbsence: An R package for presence absence analysis

Publications Posted on: March 14, 2008
The PresenceAbsence package for R provides a set of functions useful when evaluating the results of presence-absence analysis, for example, models of species distribution or the analysis of diagnostic tests. The package provides a toolkit for selecting the optimal threshold for translating a probability surface into presence-absence maps specifically tailored to their intended use.